Chicago Cubs vs. New York Mets

Platform comparison

Active sub-markets

Market context

The Chicago Cubs and New York Mets met at Citi Field on 25 June for a doubleheader that concluded with the Cubs winning all four games, completing a season-series sweep. This outcome has already occurred in real life, meaning the market’s 100% YES probability for a Cubs win is not a forecast but a reflection of settled history. In such cases, the consensus is absolute: the event is done, and the resolution source—the official final statistics—confirms the Cubs as the victor. Historically, when a game is fully played and documented, prediction markets resolve immediately with no ambiguity; comparable MLB sweeps in recent seasons show identical certainty once the final out is recorded [1][7].

For traders, the only catalyst to monitor is the official confirmation from the governing body that no make-up game is required, though this is irrelevant given the game’s completion. The Cubs’ dominance in this series, including a 4–0 win at Citi Field after sweeping Wrigley, underscores their superiority in this matchup [1]. Recent box scores and highlights confirm the Cubs’ victory with no tie or cancellation, eliminating any 50–50 resolution risk [3][8]. Value, in this context, sits entirely on the Cubs side, as the underdog (Mets) has no remaining path to win. Contrarian angles are futile here; the data is conclusive, and the market’s 100% probability aligns perfectly with the settled result [2][7].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Chicago Cubs vs. New York Mets across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Who Will Win 2026 — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Who Will Win 2026, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Who Will Win 2026 is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.